| Variables | Gasoline pump Attendant n (%) | Control n (%) | Statistical test* |
| Age | |||
| Mean ± SD | 24 ± 3.1 | 23 ± 2.8 | t = 12.2 p = 0.123 |
| 15 - 19 | 5 (3.6) | 3 (2.1) | |
| 20 - 24 | 75 (53.6) | 92 (65.7) | |
| 25 - 29 | 54 (38.6) | 39 (27.9) | |
| 30 - 34 | 4 (2.9) | 3 (2.1) | |
| 35 - 39 | 2 (1.4) | 3 (2.1) | |
| Sex | |||
| Male | 44 (31.4) | 54 (38.6) | x2 = 7.20 p = 0.750 |
| Female | 96 (68.6) | 86 (61.4) | |
| Marital Status | |||
| Single | 111 (79.3) | 98 (70) | x2 = 5.20 p = 0.301 |
| Married | 29 (20.7) | 42 (30) | |
| Level of Education | |||
| Primary | 3 (2.2) | 2 (1.4) | x2 = 23.10 p = 0.101 |
| Secondary | 99 (70.7) | 56 (40) | |
| Tertiary | 38 (27.1) | 82 (58.6) |